[Courses] op sys questons...

[coldfire]

when i think of process synchronization (threads, mutex, etc) i think
java.  java is a much easier language to use threads and solve problems
such as the dining philosopher problem and the sleeping barber problem.
is it absolutely necessary that you use C in this course?  otherwise, feel
free to ask any questions about operating systems concepts that may be a
bit confusing to you ... 

i could elaborate on the critical section, mutex, semaphores, etc. but it
would have to wait until later ... i'm tired as hell right now and am
really set on going to bed.  :)  g'nite


coldie

> hi everyone, i hope you don't mind that I digress a bit.  I am currently
> taking an intro to op sys course, and the professor steadfastly refuse to
> recognize this as an introductory course.  In a week or so in the
> semester we have to write threadsharing programs of which I have very
> little clue of. And there seem to be a shortage of 'good' intro operating
> systems book (the one we're using, by Stallings, is terrible).
> 
> C is relatively new to me.  I have been programming in c++ from the
> start, so taking this course meant refreshing/learning C all over again. 
> So I am asking you for help on this project in op sys, not necessarily in
> codes but just help me understand exactly how critical points (or
> processes/threads crossing bridges) are handled.  I don't understand why
> we have to get the thread ID and find out whether the thread wants to
> 'cross'.  I also want to understand mutexes and how I can use to lock the
> threads as it is crossing.  The program I am working on is very similar
> to the five philosophers eating with three sets of chopsticks problems. 
> Does C not have an STL of it's own, or predefined data structures and
> their functions? (you can see how I am used to c++) I have looked up
> other university websites to learn more about threads (and also sadly
> learn how inadequate and disorganized Florida State U cs program really
> is compare to other colleges).  I am studying with a professor who
> believes that since this is a 4000 level course there should be no excuse
> to not know C (even though our curriculum is heavily based on c++ and
> only one C course in the entire undergrad req.).  Please if anyone is
> willing to help it'll be terrific.  Thank you.--Rei
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